I recently acquired an old NEF single shot 12 gauge, and while the bore and action look good, there's some rust on the outside of the barrel toward the muzzle.

A few years ago, I found a product that advertised that it would remove rust without damaging the finish. I tried it on another gun, and it worked. I CAN'T REMEMBER WHAT IT WAS CALLED!!! It came in a little celophane bag that was sealed at the top with a paper tag stapled to it. It looked like a stainless steel pot scrubber, and it worked like a miracle.

Does anybody have any clue what product this was and where I can find it? I found it at a dealer booth at Wanenmacher's Gun Show last time.

Have no idea what you are referring to, but a wad of 4-0 steel & some oil works well. Also a dab of flitz / simichrome metal polish & rub with a patch & elbow grease is another cure.

Tip: After all metal surfaces are clean, smear a light coat of liquid 100% carnuba on & let it air dry. Buff off the haze with a soft cotton towel. Really makes the metal shine & beads water like crazy---really cheap long-term metal protection. Also do the same inside the bore.

+1 for Brownells. They are 1st rate for cleaning, service & repair supply products.
As for products that can remove or reduce rust, check out www.Gunzilla.uswww.Eezox.comwww.weaponshield.comwww.Mpro7.com (the new LPX is very good for firearms), Hoppes, Birchwood-Casey.
The German Ballistol & Eezox are fan favorites of many forum members.

After you clean or strip the metal, you may want to consider having the firearm treated with www.Bearcoat.com or www.Black-T.com to prevent wear/rust & speed up cleaning.

Hello, Brasscatcher..Be aware that while the above methods are fine for removing surface rust, if the rust has progressed to any extent, there probably is pitting..there is no way to clean this up without polishing down to bottom of pits. I have found using a copper scraper works well to remove the rough stuff..don't use the late model penny though..their zink.

Sounds like a 'Scrub-rite'(guessing about the spelling/name) pad to me. However, like GURU1911 says, 0000 steel wool and oil works too. A light touch with a fine, brass, wire wheel in a bench grinder is faster. Eye protection is essential.

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